WHO: Ebola virus disease – Democratic Republic of the Congo

Responding to the Ebola virus disease (EVD) outbreak in north-eastern parts of the Democratic Republic of the Congo continues to be a multifaceted challenge. By utilising proven public health measures (contact tracing, engaging communities) as well as new tools at hand (vaccine and therapeutics), WHO remains confident the outbreak can be contained and brought to an end.

Recent cases in Komanda and Mabalako health zones follow an extended period (exceeding two incubation periods) without detection of new cases; highlighting the risk of reintroduction of the virus, and the need to maintain enhanced surveillance. Cases in the Komanda originated from an infection of a mother and her children in Beni. While insecurity in Komanda will challenge the response activities, control measures including contact tracing and vaccination were initiated soon after the detection of cases.

Public and private health centres with inadequate infection prevention and control (IPC) practices continue to be major source of amplification of the outbreak. During the reporting period, two new infections were reported in health workers, and at least one new case likely acquired EVD from an infected health worker during a routine visit. Altogether, 44 health workers (41 nurses and three doctors) have been infected to date, of which 59% (26) were female.

As of the reporting period, 21 additional survivors were discharged from Ebola treatment centres (ETCs) in Beni (12) and Butembo (nine) and reintegrated into their communities. A total of 142 patients have recovered to date.

As of 4 December, 458 EVD cases (410 confirmed and 48 probable), including 271 deaths, have been reported in 11 health zones in North Kivu Province and three health zones in Ituri Province (Figure 1). The epidemiological curve (Figure 2) of the outbreak shows two distinct phases. The first phase was centred in Mangina and was largely brought under control within a month. The second wave, dispersed across many areas, has continued for over two months with approximately five new cases per day. Given the expected delays in case detection and reporting in the recent weeks, overall trends in weekly case incidence must be interpreted cautiously.

The risk of the outbreak spreading to other provinces in the Democratic Republic of the Congo, as well as to neighbouring countries, remains very high. Over the course of the past week, alerts have been reported from several provinces within the Democratic Republic of the Congo, South Sudan and Uganda; EVD has been ruled out for all alerts to date.

Responding to the Ebola virus disease (EVD) outbreak in north-eastern parts of the Democratic Republic of the Congo continues to be a multifaceted challenge. By utilising proven public health measures (contact tracing, engaging communities) as well as new tools at hand (vaccine and therapeutics), WHO remains confident the outbreak can be contained and brought to an end.

Recent cases in Komanda and Mabalako health zones follow an extended period (exceeding two incubation periods) without detection of new cases; highlighting the risk of reintroduction of the virus, and the need to maintain enhanced surveillance. Cases in the Komanda originated from an infection of a mother and her children in Beni. While insecurity in Komanda will challenge the response activities, control measures including contact tracing and vaccination were initiated soon after the detection of cases.

Public and private health centres with inadequate infection prevention and control (IPC) practices continue to be major source of amplification of the outbreak. During the reporting period, two new infections were reported in health workers, and at least one new case likely acquired EVD from an infected health worker during a routine visit. Altogether, 44 health workers (41 nurses and three doctors) have been infected to date, of which 59% (26) were female.

As of the reporting period, 21 additional survivors were discharged from Ebola treatment centres (ETCs) in Beni (12) and Butembo (nine) and reintegrated into their communities. A total of 142 patients have recovered to date.

As of 4 December, 458 EVD cases (410 confirmed and 48 probable), including 271 deaths, have been reported in 11 health zones in North Kivu Province and three health zones in Ituri Province (Figure 1). The epidemiological curve (Figure 2) of the outbreak shows two distinct phases. The first phase was centred in Mangina and was largely brought under control within a month. The second wave, dispersed across many areas, has continued for over two months with approximately five new cases per day. Given the expected delays in case detection and reporting in the recent weeks, overall trends in weekly case incidence must be interpreted cautiously.

The risk of the outbreak spreading to other provinces in the Democratic Republic of the Congo, as well as to neighbouring countries, remains very high. Over the course of the past week, alerts have been reported from several provinces within the Democratic Republic of the Congo, South Sudan and Uganda; EVD has been ruled out for all alerts to date.